1N4731PE3/TR8 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage regulation and rectification
Characteristics: Zener diode, low leakage current, high reliability
Package: DO-41 package
Essence: Regulates voltage by allowing current to flow in reverse direction when a certain voltage is reached
Packaging/Quantity: Typically available in reels of 1000 units

Specifications

Voltage: 4.3V
Power Dissipation: 1.0W
Operating Temperature Range: -65°C to +200°C
Forward Voltage: 1.2V
Reverse Current: 5μA

Detailed Pin Configuration

The 1N4731PE3/TR8 has two pins, anode and cathode. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

Zener Effect: Exhibits the Zener effect, allowing it to maintain a constant voltage across its terminals.
Voltage Regulation: Provides stable voltage output under specified conditions.

Advantages and Disadvantages

Advantages

Precise voltage regulation
Low leakage current
High reliability

Disadvantages

Limited power dissipation capability
Sensitive to temperature variations

Working Principles

The 1N4731PE3/TR8 operates based on the Zener effect, which occurs when a reverse-biased semiconductor junction reaches a critical voltage, causing a rapid increase in current flow to maintain a nearly constant voltage drop across the diode.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, surge suppressors, and overvoltage protection circuits. It finds applications in power supplies, instrumentation, and automotive electronics.

Detailed and Complete Alternative Models

1N4728A: 3.3V Zener diode
1N4739A: 9.1V Zener diode
BZX55C3V6: 3.6V Zener diode
BZX85C10: 10V Zener diode

In conclusion, the 1N4731PE3/TR8 is a reliable semiconductor diode with precise voltage regulation capabilities, making it suitable for various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4731PE3/TR8 v technických řešeních

What is the 1N4731PE3/TR8?
- The 1N4731PE3/TR8 is a Zener diode with a voltage rating of 4.3V.
How can the 1N4731PE3/TR8 be used in technical solutions?
- It can be used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.
What are the key specifications of the 1N4731PE3/TR8?
- The 1N4731PE3/TR8 has a power dissipation of 1W, a tolerance of 5%, and a maximum reverse leakage current of 5µA.
In what type of applications is the 1N4731PE3/TR8 commonly used?
- It is commonly used in power supplies, voltage regulators, and signal conditioning circuits.
What are the typical operating conditions for the 1N4731PE3/TR8?
- The typical operating temperature range is -65°C to +200°C, making it suitable for a wide range of environments.
How does the 1N4731PE3/TR8 provide voltage regulation?
- It operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals when properly biased.
Can the 1N4731PE3/TR8 be used for precision voltage references?
- While it has a 5% tolerance, it can be combined with other components to create more precise voltage references.
What are the considerations for designing circuits with the 1N4731PE3/TR8?
- It's important to consider the current flowing through the diode, the power dissipation, and the thermal management to ensure reliable operation.
Are there any alternative components that can be used in place of the 1N4731PE3/TR8?
- Yes, other Zener diodes with similar voltage ratings and characteristics can be used as alternatives.
Where can I find detailed application notes for using the 1N4731PE3/TR8 in technical solutions?
- Detailed application notes can be found in the datasheet provided by the manufacturer or in technical reference manuals for Zener diode applications.